Agricultural Science JAMB

Pasture And Forage Crops

Overzicht

In the field of Agronomy, the study of Pasture and Forage Crops holds significant importance in agricultural practices. This course material delves into a comprehensive examination of the gross morphology, methods of propagation, and husbandry of common pasture grasses and legumes. Additionally, it covers the establishment, maintenance, conservation, and diverse uses of pastures and forage crops in agricultural settings.

**Classification of common grasses and legumes** utilized as pastures and forage stands as a fundamental aspect of this course material. By understanding the common and scientific names of these plants, students can effectively identify and differentiate between pasture and forage crops. The ability to discern these distinctions aids in the optimal utilization and management of these crops for agricultural purposes.

Furthermore, a key component of this course material is distinguishing between the various methods of conserving pastures. **Hay- and silage making**, for example, are vital practices in ensuring the availability of quality forage throughout the year. Understanding these conservation methods equips students with the knowledge needed to effectively manage pasture resources and sustain livestock production.

The overarching objectives of this topic guide students to relate different vegetational zones to their dominant pasture species and determine range types and utilization of range resources in Nigeria. By achieving these objectives, students gain a comprehensive understanding of the agricultural landscape and the optimal practices for pasture and forage crop management.

Doelstellingen

  1. Relate Different Vegetational Zones to Their Dominant Pasture Species
  2. Determine Range Types and Utilization of Range Resources in Nigeria

Lesnotitie

Pasture and forage crops are essential for the raising of livestock. These crops provide the necessary nutrients for animals, ensuring their health and productivity. In Nigeria, understanding the various vegetation zones and their dominant pasture species, as well as the utilization of range resources, is critical for effective livestock management.

Lesevaluatie

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Je zult een mix van vraagtypen tegenkomen, waaronder meerkeuzevragen, korte antwoordvragen en essayvragen. Elke vraag is zorgvuldig samengesteld om verschillende aspecten van je kennis en kritisch denkvermogen te beoordelen.

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  1. What are the characteristics of common pasture grasses and legumes used as forage crops? A. Study of gross morphology, methods of propagation, and husbandry B. Classification based on color C. Use in ornamental gardening D. Origin from tropical rainforests Answer: A. Study of gross morphology, methods of propagation, and husbandry
  2. Differentiate between pasture and forage crops by their common and scientific names. A. Pasture crops are for grazing, while forage crops are for hay production B. Pasture crops always have higher nutritional value C. Common Name: Bermuda Grass, Scientific Name: Cynodon dactylon D. Common Name: Alfalfa, Scientific Name: Triticum aestivum Answer: C. Common Name: Bermuda Grass, Scientific Name: Cynodon dactylon
  3. What are the methods of conserving pastures for future use? A. Watering B. Plowing C. Hay-making and silage-making D. Fertilization Answer: C. Hay-making and silage-making
  4. How can one establish and maintain pastures successfully? A. Regularly burn the pasture area B. Overgraze continuously C. Monitor soil fertility and pH levels D. Ignore pest and disease control Answer: C. Monitor soil fertility and pH levels

Aanbevolen Boeken

Pastures: Their Ecology and Management
Pastures: Their Ecology and Management
Ondertitel: A Practical Guide to Pasture Grasses and Legumes
Uitgever: Springer
Jaar: 2015
ISBN: 978-3319172606
Forage in Ruminant Nutrition
Forage in Ruminant Nutrition
Ondertitel: Understanding Forage Crops and Their Nutritional Value
Uitgever: CABI
Jaar: 2000
ISBN: 978-0851994222

Herhalingsvragen

Benieuwd hoe eerdere vragen over dit onderwerp eruitzien? Hier zijn een aantal vragen over Pasture And Forage Crops van voorgaande jaren.

JAMB UTME - Agricultural Science - 2024

Vraag 1 Verslag

Which of the following is not a characteristic of a good pasture?
Antwoorddetails

In evaluating the characteristics of a good pasture, it is important to consider the elements that contribute to effective livestock grazing and growth. Let's go through each characteristic:


  • Provision of balanced nutrients: A good pasture should provide a variety of nutrients essential for the growth, health, and productivity of livestock.
  • High stem to leaf ratio: A high stem to leaf ratio is not a desirable characteristic in a good pasture. Ideally, a pasture should have a low stem to leaf ratio, meaning it should have more leaves than stems. Leaves are more palatable and nutritious for livestock compared to stems.

  • High quality of grass: This means the grass should be nutritious and palatable, which contributes to the efficiency of feeding and overall health of the animals.
  • Ability to withstand trampling: A good pasture has grasses that can endure the physical stress of being walked on by livestock, ensuring the pasture remains viable for longer periods.

Therefore, a high stem to leaf ratio is not a characteristic of a good pasture. It indicates fewer leaves, which are crucial for providing energy and nutrients to livestock.

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WAEC SSCE - Agricultural Science - 2021

Vraag 1 Verslag

a. State the roles played by the following factors in soil formation (i)Time (ii) Rainfall (iii) parent material
b. Principles which should be followed in a good crop rotation plan |
c. Uses of forage crops
Antwoorddetails

a) The roles played by the following factors in soil formation are:

(i) Time: Time is an essential factor in soil formation, as it allows for the gradual accumulation of organic matter, weathering of rocks, and the development of soil structure. Over time, soil also becomes more diverse in terms of its physical, chemical, and biological properties, leading to the formation of different soil types.

(ii) Rainfall: Rainfall is another critical factor in soil formation, as it influences soil structure, nutrient availability, and the transport of minerals and organic matter. In areas with high rainfall, leaching can occur, leading to the depletion of essential nutrients. In contrast, low rainfall can result in soil salinization and compaction.

(iii) Parent Material: Parent material refers to the underlying rock or sediment from which the soil is formed. Different types of parent material have varying mineral compositions, which affect the fertility and physical properties of the soil. For example, soils formed from limestone are generally alkaline, while those formed from granite tend to be more acidic.

b) Principles that should be followed in a good crop rotation plan include:

(i) Diversity: A good crop rotation plan should include a diverse range of crops to reduce the risk of disease and pest outbreaks and maintain soil fertility.

(ii) Timing: The timing of crop rotations is also crucial, as different crops have varying nutrient requirements and growth rates. A well-planned crop rotation should consider the optimal timing for planting, harvesting, and fallowing.

(iii) Soil health: A good crop rotation plan should aim to improve soil health by reducing erosion, maintaining soil structure, and increasing soil organic matter.

c) Forage crops are plants that are grown specifically for livestock feed. The uses of forage crops include:

(i) Providing nutrition: Forage crops are a source of high-quality feed for livestock, providing essential nutrients such as protein, fiber, and energy.

(ii) Improving soil health: Forage crops can improve soil health by adding organic matter, reducing soil erosion, and enhancing soil structure.

(iii) Cost-effective: Forage crops can be a cost-effective alternative to purchased feeds, reducing the overall cost of livestock production.

(iv) Sustainability: Forage crops are an essential component of sustainable agriculture, as they can help to reduce the environmental impact of livestock production by reducing the need for synthetic fertilizers and other inputs.

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